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- University of PaduaIT221 papers
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116 papers · 1 filter
Measurement-induced quantum operations on multiphoton states
Chiara Vitelli, Nicolò Spagnolo, Fabio Sciarrino +1
We investigate how multiphoton quantum states obtained through optical parametric amplification can be manipulated by performing a measurement on a small portion of the output ligh…
Rabi-Josephson oscillations and self-trapped dynamics in atomic junctions with two bosonic species
G. Mazzarella, B. Malomed, L. Salasnich +2
We investigate the dynamics of two-component Bose-Einstein condensates (BECs), composed of atoms in two distinct hyperfine states, which are linearly coupled by two-photon Raman tr…
Wideband microwave measurements in Nb/PdNi/Nb structures and comparison with thin Nb films
E. Silva, N. Pompeo, S. Sarti
We present wideband microwave measurements (1-22 GHz) taken on Superconductor/Ferromagnet heterostructures with the Corbino disk technique. We apply the technique to Nb/PdNi/Nb tri…
Non-Gaussianity of quantum states: an experimental test on single-photon added coherent states
Marco Barbieri, Nicolò Spagnolo, Marco G. Genoni +5
Non Gaussian states and processes are useful resources in quantum information with continuous variables. An experimentally accessible criterion has been proposed to measure the deg…
Hybrid methods for witnessing entanglement in a microscopic-macroscopic system
Nicolò Spagnolo, Chiara Vitelli, Mauro Paternostro +2
We propose a hybrid approach to the experimental assessment of the genuine quantum features of a general system consisting of microscopic and macroscopic parts. We infer entangleme…
Cross-Phase Modulation and Population Redistribution in a Periodic Tripod Medium
K. Slowik, A. Raczynski, J. Zaremba +3
The cross-Kerr effect is studied for two pulses propagating in an atomic medium in a tripod configuration, dressed by a strong standing wave coupling beam. Nonlinear phase shifts f…